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RT @unam_na: Invitation // H.E.S.S. Open Day 2022
You, all your friends and family members are invited to a public visit to the High Energy Stereoscopic System (H.E.S.S.) telescopes.
Sunday, 23 October - 10 am until 4 pm.
More details and driving directions: https://www.mpi-hd.mpg.de/hfm/HESS/pages/20anniversary/
